Wording: Domain sperren → Domain ausschließen

Einheitliche Umbenennung in UI-Texten, Kommentaren und Docstrings:
- Sperren → Ausschließen
- Gesperrt → Ausgeschlossen
- Entsperren → Ausschluss aufheben

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/static/js/components.js

@@ -537,16 +537,16 @@ const UI = {
         const escapedDomain = this.escape(domain);
 
         if (isExcluded) {
-            // Gesperrte Domain
+            // Ausgeschlossene Domain
             const notesHtml = excludedNotes ? ` <span class="source-group-notes">${this.escape(excludedNotes)}</span>` : '';
             return `<div class="source-group">
                 <div class="source-group-header excluded">
                     <div class="source-group-info">
                         <span class="source-group-name">${this.escape(displayName)}</span>${notesHtml}
                     </div>
-                    <span class="source-excluded-badge">Gesperrt</span>
+                    <span class="source-excluded-badge">Ausgeschlossen</span>
                     <div class="source-group-actions">
-                        <button class="btn btn-small btn-secondary" onclick="App.unblockDomain('${escapedDomain}')">Entsperren</button>
+                        <button class="btn btn-small btn-secondary" onclick="App.unblockDomain('${escapedDomain}')">Ausschluss aufheben</button>
                         <button class="source-delete-btn" onclick="App.deleteDomain('${escapedDomain}')" title="Löschen" aria-label="Löschen">&times;</button>
                     </div>
                 </div>
@@ -592,7 +592,7 @@ const UI = {
                 ${feedCountBadge}
                 <div class="source-group-actions" onclick="event.stopPropagation()">
                     ${!hasMultiple && feeds[0]?.id ? `<button class="source-edit-btn" onclick="App.editSource(${feeds[0].id})" title="Bearbeiten" aria-label="Bearbeiten">&#9998;</button>` : ''}
-                    <button class="btn btn-small btn-secondary" onclick="App.blockDomainDirect('${escapedDomain}')">Sperren</button>
+                    <button class="btn btn-small btn-secondary" onclick="App.blockDomainDirect('${escapedDomain}')">Ausschließen</button>
                     <button class="source-delete-btn" onclick="App.deleteDomain('${escapedDomain}')" title="Löschen" aria-label="Löschen">&times;</button>
                 </div>
             </div>